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1.在人工饲养条件下,如果淡水鱼不排卵,可将同种性成熟鱼的垂体提取液注射到雌鱼体内,促进其排卵。这一方法主要是利用了垂体细胞合成的(A)甲状腺激素 (B)雌激素 (C)促甲状腺激素 (D)促性腺激素
問題詳情
1.在人工饲养条件下,如果淡水鱼不排卵,可将同种性成熟鱼的垂体提取液注射到雌鱼体内,促进其排卵。这一方法主要是利用了垂体细胞合成的
(A)甲状腺激素
(B)雌激素
(C)促甲状腺激素
(D)促性腺激素
參考答案
答案:D
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
上一篇 :
【題組】66. (B)fore Parbati studied in a boarding school, .(A)she spent her time hunting with her father
下一篇 :
【題組】42. (A) good (B) clear (C)useful (D)easy
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